New Product Information for Buick Regal 2002
The purpose of New Product Information is to highlight
or indicate important product changes from the previous model year.
Changes may include one or more of the following items:
| • | A component comparison from the previous year |
| • | Torque values and/or fastener tightening strategies |
| • | Changed engine specifications |
| • | New sealants and/or adhesives |
| • | Disassembly and assembly procedure revisions |
| • | Engine mechanical diagnostic procedure revisions |
| • | New special tools required |
Component Comparison
New fuel injectors for C, H, W, F, body.
Fastener Changes
No fastener changes from 2001.
Torque Values and/or Fastener Tightening Strategies
| • | Oil filter adapter bolt torque for C, H, W, F, body 30 N·m
(22 lb ft). |
| • | Water pump bolt torque change for C, H, W, F, body are large bolts
34 N·m (25 lb ft), small bolts 22 N·m
(16 lb ft) |
Changed Engine Specifications
| • | Camshaft exhaust max lobe lift changed to 6.56 mm (0.258 in). |
| • | Valve face angle changed to 46 degrees. |
| • | Valve stem clearance changes: |
| - | Intake - 0.031-0.071 mm (0.002-0.0028 in) |
| - | Exhaust - 0.036-0.074 mm (0.0014-0.0029 in) |
New Sealants and/or Adhesives
No changes from 2001.
Disassembly and Assembly Procedure Revisions
| • | Balance shaft installation |
| • | Crankshaft and bearing installation |
| • | Crankshaft rear oil seal and oil housing removal |
| • | Timing chain and sprocket installation for L67 |
| • | Valve guide reaming/valve and seat grinding |
Engine Mechanical Diagnostic Procedure Revisions
No engine mechanical diagnostic changes from 2001.
New Special Tools Required
No special tool changes from 2001.
